Medical News Today -- The current vaccine against pneumococcal bacteria is effective, but vaccines that “cover” additional strains could further reduce pneumococcal infections in infants and toddlers, according to an Israeli study in the April issue of The Pediatric Infectious DiseaseJournal. The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health, a leading provider of information and business intelligence for students, professionals, and institutions in medicine, nursing, allied health, pharmacy and the pharmaceutical industry.